New uses of the westphal condensation. Synthesis of pi-donor-pi-acceptor heterocycles.
作者:María P. Matia、Jesús Ezquerra、Francisco Sánchez-Ferrando、José L. García-Navío、Juan J. Vaquero、Julio Alvarez-Builla
DOI:10.1016/s0040-4020(01)89735-0
日期:1991.8
Novel pyrido[1,2-a] and pyridazino[2,3-a]-pyrrolo[2,1-c]pyrazin-7-ium derivatives have been prepared using Westphal condensation as an example of fused heterocycles with linked π-donor and π-acceptor moieties.
以Westphal缩合为例,以连接π-供体的稠合杂环为例,制备了新型吡啶并[1,2-a]和哒嗪并[2,3-a]-吡咯并[2,1-c]吡嗪-7-鎓衍生物。和π-受体部分。